82 lines
2.9 KiB
C++
82 lines
2.9 KiB
C++
#include "colorlineedit.h"
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#include <QToolButton>
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#include <QStyle>
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ColorLineEdit::ColorLineEdit(QWidget *parent) :
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QLineEdit(parent)
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{
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// Create the search button and set its icon, cursor, and stylesheet
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this->mColorButton = new QToolButton(this);
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this->mColorButton->setFixedSize(20,20);
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this->mColorButton->setCursor(Qt::PointingHandCursor);
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this->mColorButton->setStyleSheet(this->buttonStyleSheetForCurrentState());
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// Update the search button when the text changes
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QObject::connect(this, SIGNAL(textChanged(QString)), SLOT(updateColorButton(QString)));
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QObject::connect(this->mColorButton,SIGNAL(clicked(bool)), SLOT(selectColor()));
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// Some stylesheet and size corrections for the text box
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//this->setPlaceholderText(tr("Search"));
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//this->setStyleSheet(this->styleSheetForCurrentState());
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int frameWidth = this->style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
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QSize minSizeHint = this->minimumSizeHint();
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this->setMinimumSize(qMax(minSizeHint.width(), this->mColorButton->sizeHint().width() + frameWidth * 2 + 2),
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qMax(minSizeHint.height(), this->mColorButton->sizeHint().height() + frameWidth * 2+2));
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}
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void ColorLineEdit::resizeEvent(QResizeEvent *event)
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{
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Q_UNUSED(event);
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QSize size = this->mColorButton->sizeHint();
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int frameWidth = this->style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
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this->mColorButton->move(this->rect().right() - frameWidth - size.width() - 2, (this->rect().bottom() + 2 - size.height()) / 2);
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}
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void ColorLineEdit::selectColor()
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{
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const QColorDialog::ColorDialogOptions options = QFlag(QColorDialog::DontUseNativeDialog);
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const QColor color = QColorDialog::getColor(this->text(), this, tr("select color"),options);
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if (color.isValid()) {
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this->setText(color.name());
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}
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}
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void ColorLineEdit::updateColorButton(const QString &text)
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{
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const QColor color = QColor(text);
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if (color.isValid())
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{
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// We have some text in the box - set the button to clear the text
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QPixmap pixmap(this->height(),this->height());
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pixmap.fill(color);
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QIcon icon(pixmap);
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this->mColorButton->setIcon(icon);
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}
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else
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{
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// The text box is empty - make the icon do nothing when clicked
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QIcon icon(":/color");
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this->mColorButton->setIcon(icon);
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}
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//this->mColorButton->setStyleSheet(this->buttonStyleSheetForCurrentState());
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}
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QString ColorLineEdit::buttonStyleSheetForCurrentState() const
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{
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QString style;
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style += "QToolButton {";
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style += "border: 1px solid black; margin: 0; padding: 0;";
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style += "}";
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/*if (!this->text().isEmpty())
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{
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style += "QToolButton:hover { background-image: url(:/images/esf-clear-hover.png); }";
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style += "QToolButton:pressed { background-image: url(:/images/esf-clear-active.png); }";
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}*/
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return style;
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}
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